19357500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 59043600

約数和(自身を除く): 39686100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 89, 100, 116, 125, 145, 150, 174, 178, 250, 267, 290, 300, 348, 356, 375, 435, 445, 500, 534, 580, 625, 725, 750, 870, 890, 1068, 1250, 1335, 1450, 1500, 1740, 1780, 1875, 2175, 2225, 2500, 2581, 2670, 2900, 3625, 3750, 4350, 4450, 5162, 5340, 6675, 7250, 7500, 7743, 8700, 8900, 10324, 10875, 11125, 12905, 13350, 14500, 15486, 18125, 21750, 22250, 25810, 26700, 30972, 33375, 36250, 38715, 43500, 44500, 51620, 54375, 55625, 64525, 66750, 72500, 77430, 108750, 111250, 129050, 133500, 154860, 166875, 193575, 217500, 222500, 258100, 322625, 333750, 387150, 645250, 667500, 774300, 967875, 1290500, 1613125, 1935750, 3226250, 3871500, 4839375, 6452500, 9678750, 19357500]

約数ペア:

[(1, 19357500), (2, 9678750), (3, 6452500), (4, 4839375), (5, 3871500), (6, 3226250), (10, 1935750), (12, 1613125), (15, 1290500), (20, 967875), (25, 774300), (29, 667500), (30, 645250), (50, 387150), (58, 333750), (60, 322625), (75, 258100), (87, 222500), (89, 217500), (100, 193575), (116, 166875), (125, 154860), (145, 133500), (150, 129050), (174, 111250), (178, 108750), (250, 77430), (267, 72500), (290, 66750), (300, 64525), (348, 55625), (356, 54375), (375, 51620), (435, 44500), (445, 43500), (500, 38715), (534, 36250), (580, 33375), (625, 30972), (725, 26700), (750, 25810), (870, 22250), (890, 21750), (1068, 18125), (1250, 15486), (1335, 14500), (1450, 13350), (1500, 12905), (1740, 11125), (1780, 10875), (1875, 10324), (2175, 8900), (2225, 8700), (2500, 7743), (2581, 7500), (2670, 7250), (2900, 6675), (3625, 5340), (3750, 5162), (4350, 4450)]